Toshiba Qosmio X770 - Manual (Page 87)

Dolby Headphone: Enables personal surround sound using any set of
headphones.
To access Dolby Advanced Audio function, follow the steps as detailed
below:
1.
Right-click on the speaker icon on the Taskbar, and select Playback
devices from the sub menu.
2. Select Speakers, and click Properties.
3. Click the Dolby tab.
Realtek HD Audio Manager
You can confirm and change the audio configuration using the Realtek HD
Audio Manager. To launch the Realtek HD Audio Manager, click Start ->
Control Panel, select Large icons from View by, then click Realtek HD
Audio Manager.
When you first launch the Realtek HD Audio Manager, you will see two
device tabs. Speakers is the default output device. Microphone is the
default input device. To change the default device, click the Set Default
Device button under the chosen device tab.
Information
Click the Information button to view hardware information, software
information, and language setting.
Power Management
The audio controller in your computer can be turned off when the audio
function is not used. To adjust the configuration of audio power
management, click the Power Management button
.
When audio power management is enabled, the circle button at the
upper left of the Power Management is blue and convex.
When audio power management is disabled, the button is black and
concave.
Speaker Configuration
Click the Auto Test button to confirm the internal speakers or the
headphone sound is coming from the right direction.
Default Format
You can change the sample rate and bit depth of sound.
Video mode
Video mode settings are configured via the Screen Resolution dialog.
Qosmio X770/X775 Series
User's Manual 3-46